


#include<iostream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pthread.h>
#include <sched.h>
int ticket = 0;
pthread_mutex_t mutex;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;//条件变量


void *route(void *arg)
{
    char *id = (char*)arg;
    while ( 1 ) 
    {
        pthread_mutex_lock(&mutex);
        //等待
        pthread_cond_wait(&cond,&mutex);
        std::cout << "id:" << id << std::endl;
        pthread_mutex_unlock(&mutex);
    }
}
int main( void )
{
    pthread_t t1, t2, t3, t4;
    pthread_mutex_init(&mutex, NULL);
    pthread_create(&t1, NULL, route, (void*)"thread 1");
    pthread_create(&t2, NULL, route,(void*) "thread 2");
    pthread_create(&t3, NULL, route, (void*)"thread 3");
    pthread_create(&t4, NULL, route,(void*) "thread 4");
    sleep(1);
    std::cout << "主线程" << std::endl;
    while(true)
    {
        std::cout << "唤醒" << std::endl;
        //pthread_cond_signal(&cond);//唤醒一个线程
        pthread_cond_broadcast(&cond);//唤醒所有线程
        sleep(1);
    }


    pthread_join(t1, NULL);
    pthread_join(t2, NULL);
    pthread_join(t3, NULL);
    pthread_join(t4, NULL);
    pthread_mutex_destroy(&mutex);
}